Home / 187,900.84-282,168.78-186,449.32

Finding the Fourth Proportional to 187,900.84, 282,168.78 and 186,449.32

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Solution

The fourth proportional to 187,900.84, 282,168.78 and 186,449.32 is: 279,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,900.84 : 282,168.78 = 186,449.32 : x
  2. Step 2: Convert to fraction form
    187,900.84/282,168.78 = 186,449.32/x
  3. Step 3: Cross multiply
    187,900.84x = 282,168.78 × 186,449.32
  4. Step 4: Simplify right side
    187,900.84x = 52,610,177,156.23
  5. Step 5: Solve for x
    x = 52,610,177,156.23/187,900.84
  6. Step 6: Final answer
    x = 279,989.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.